North Korea may be making rapid preparations to carry out a nuclear weapons test for the first time in more than four years, according to a South Korean media report. The Yonhap news agency, quoting government sources, said North Korea appeared to be digging a “shortcut” to Tunnel 3 at its previously closed nuclear test site in Punggye-ri. Analysts at the Centre for Non-Proliferation Studies (CNS) had said at the beginning of March that satellite images showed signs of rebuilding…. – The Guardian Photo: KCNA